A boy on a ketogenic diet and anti-epileptic drugs developed skin issues due to stopping vitamin supplements, which improved with proper supplementation.
Rapid weight loss can cause temporary hair loss, but hair usually grows back.
August 2025 in “Journal of Cosmetic Dermatology” The dietary supplement AGA-P improves the effectiveness of hair loss treatments.
January 2023 in “Zenodo (CERN European Organization for Nuclear Research)” January 2014 in “Dongwu yingyang xuebao” A dietary vitamin A level of 10,000 IU/kg is best for growing Rex rabbits.
March 1986 in “Fed. Proc., Fed. Am. Soc. Exp. Biol.; (United States)” Marginal dietary zinc intake in rats led to weight loss and hair issues, but no significant changes in blood fractions.
68 citations
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April 2002 in “Journal of Human Nutrition and Dietetics” The intensive conventional diet with exercise led to better long-term weight loss and health improvements than the very low calorie diet in obese type 2 diabetics.
55 citations
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February 1990 in “Journal of Nutrition” Selenium in hair and nails is higher with L-selenomethionine and low methionine.
47 citations
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June 2012 in “Genes & Development” A mother's western diet can make her milk toxic, causing inflammation and hair loss in babies.
30 citations
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March 2017 in “PLoS ONE” Sulfur slightly improved diet estimates for grizzly bears, but hair growth timing varied, affecting results.
30 citations
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July 1984 in “Journal of Animal Science” Adding biotin to sows' diets increased the number of pigs weaned per litter.
28 citations
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November 2013 in “The FASEB journal” Mice with CBS deficiency are healthier on a low-methionine diet.
27 citations
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January 2015 in “International Journal of Trichology” The supplement helps improve hair growth and reduce hair shedding.
27 citations
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June 2010 in “Journal of the American Academy of Dermatology” Excessive selenium in supplements can cause hair loss and nail issues.
23 citations
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January 1991 in “Journal of Animal Science” Biotin supplementation in sow diets is unnecessary.
20 citations
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September 2023 in “Nutrients” A very-low-calorie diet led to more weight loss and health improvements in obese women with PCOS than a moderate energy deficit diet.
18 citations
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January 2015 in “Journal of obesity and weight loss therapy” Eating less starch and dairy helped overweight women with PCOS lose weight and improve symptoms.
18 citations
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November 1981 in “JAMA” The Beverly Hills Diet is unscientific, potentially harmful, and could cause serious health issues.
15 citations
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July 1998 in “Acta Dermato Venereologica” A gluten-free diet does not help hair regrowth in celiac disease patients with alopecia areata.
14 citations
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October 2020 in “Journal of ethnopharmacology” Lepidium sativum seed extracts helped reduce inflammation and improve insulin response in obese rats on a high-fat diet.
14 citations
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August 2014 in “Applied Physiology, Nutrition, and Metabolism” A low-starch/low-dairy diet may help overweight women with PCOS lose weight and improve metabolism, but more research is needed.
10 citations
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January 2025 in “Frontiers in Nutrition” A high dietary antioxidant index may lower the risk of various diseases, but more research is needed.
8 citations
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September 2024 in “Food Science & Nutrition” β-Sitosterol may help prevent heart disease, cancer, and diabetes, but more human studies are needed.
8 citations
,
August 1969 in “Journal of Nutrition” High protein diets improve wound healing and hair growth in calves, regardless of energy intake.
7 citations
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March 2023 in “Frontiers in Veterinary Science” Camelina oil can improve dog coat quality like flaxseed and canola oils.
6 citations
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December 2022 in “Cell reports” Eating a high-fat fish oil diet caused mice to lose hair due to a specific immune cell activity in the skin linked to a protein called E-FABP.
6 citations
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September 1957 in “Poultry Science” Adding copper helps turkey poults grow better when molybdenum is present.
5 citations
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August 2013 in “Integrative Zoology” Feathers in diet increase gut bacteria diversity in Arctic foxes.
5 citations
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September 2017 in “Journal of Cosmetic Dermatology” A marine protein-based dietary supplement can safely boost hair growth and reduce hair loss in people with thinning hair.
4 citations
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January 2022 in “Open Health” Eating healthy, exercising, and changing behaviors are the best first steps to treat Polycystic Ovary Syndrome (PCOS).